#5A91E8#5A91E8
#5A91E8 is a light, vivid blue. Relative luminance 0.283; OKLCH L 65.8% C 0.143 H 259.2°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).
Color values
| HEX | #5A91E8 |
|---|---|
| RGB | rgb(90, 145, 232) |
| HSL | hsl(217, 76%, 63%) |
| HSV | hsv(217, 61%, 91%) |
| CMYK | cmyk(61.2%, 37.5%, 0%, 9%) |
| CIE-LAB | lab(60.11, 8.16, -49.44) |
| CIE-LCH | lch(60.11, 50.11, 279.37°) |
| OKLab | oklab(65.84% -0.0267 -0.1403) |
| OKLCH | oklch(65.84% 0.143 259.2) |
| XYZ | xyz(28.9022, 28.2480, 80.2576) |
| Luminance | 0.2825 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 1.79
Dark Sky Blue
#448EE4
ΔE00 3.01
Soft Blue
#6488EA
ΔE00 4.23
Dodgerblue
#1E90FF
ΔE00 4.26
Dodger Blue
#3E82FC
ΔE00 4.94
Faded Blue
#658CBB
ΔE00 5.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5A91E8 #E8B15A
analogous
#5AD8E8 #5A91E8 #6A5AE8
triadic
#5A91E8 #E85A91 #91E85A
tetradic
#5A91E8 #E85AD8 #E8B15A #5AE86A
square
#5A91E8 #E85AD8 #E8B15A #5AE86A
split-complementary
#5A91E8 #E86A5A #D8E85A
monochromatic
#1853AF #246DE1 #5A91E8 #90B5EF #C5D9F7
Accessibility & contrast
On white
3.16
#5A91E8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.65
#5A91E8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5A91E8
6.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5A91E8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5A91E8 | 1.00 | 3.16 | 6.65 | 6.65 |
| #FFFFFF | 3.16 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.65 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.65 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B98EC
Deuteranopia (green-blind)
#588BE6
Tritanopia (blue-blind)
#00A5B1
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #5a91e8; /* rgb */ color: rgb(90, 145, 232); /* oklch */ color: oklch(65.8% 0.143 259.2);
Tailwind
colors: {
custom: {
50: '#94b0f0',
500: '#5a91e8',
950: '#000000',
},
}SCSS
$custom: #5a91e8; $custom-light: #94b0f0; $custom-dark: #000000;
JSON
{
"hex": "#5a91e8",
"rgb": {
"r": 90,
"g": 145,
"b": 232
},
"hsl": {
"h": 216.761,
"s": 75.532,
"l": 63.137
},
"oklch": {
"l": 0.65844,
"c": 0.14287,
"h": 259.2
},
"luminance": 0.28251
}Semantic roles & 50–950 ramp
primary
#5A91E8
secondary
#E8D5B5
accent
#8A0ED8
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84